Power transmission unit and power receiving unit of an industrial robot arm



FIG. 1 is a perspective view of a first embodiment of power transmission unit and power receiving unit of an industrial robot arm showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is an enlarged cross-sectional view taken along line 8-8 in FIG. 5 with the internal structure omitted;

FIG. 9 is a perspective view of a second embodiment of power transmission unit and power receiving unit of an industrial robot arm showing my new design;

FIG. 10 is a front view thereof;

FIG. 11 is a rear view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a bottom plan view thereof;

FIG. 14 is a right side view thereof;

FIG. 15 is a left side view thereof; and,

FIG. 16 is an enlarged cross-sectional view taken along line 16-16 in FIG. 13 with the internal structure omitted.

The broken lines illustrate portions of the power transmission unit and power receiving unit of an industrial robot arm and form no part of the claimed design. The dash-dotted lines denote the boundary of the claim and form no part of the claimed design. 

CLAIM The ornamental design for power transmission unit and power receiving unit of an industrial robot arm, as shown and described. 